It is Guinness World Records Day, and NBC's Al Roker is attempting to do what no other weatherman has done before: a 34-hour, uninterrupted forecast.
Rokerthon, as they are calling it, kicked off at 10:05 p.m. ET Wednesday night, and will continue until around 8 a.m. Friday morning.
-He must talk about weather for the entirety of the time, outside of breaks.
-He can talk about current weather, and weather seven days in the past or seven days ahead.
-For every 60 minutes completed, he can take a five-minute break. The breaks can carry over and be combined, so if he goes four hours without stopping, he can take a 20-minute break.
-Two independent witnesses must also be there at all times.
The current record stands at 33-hours, broken in September by
Whether he can complete the task or not, it's all for a good cause, as he is also using the stunt to help raise money for his Crowdrise campaign to benefit the United States Service Organizations (USO).
And now, a look ahead at your Al Roker-watch forecast for hour 20: